EP4593384A3 - Filterbasiertes in-loop-bildcodierungs-/-decodierungsverfahren und -vorrichtung - Google Patents

Filterbasiertes in-loop-bildcodierungs-/-decodierungsverfahren und -vorrichtung

Info

Publication number
EP4593384A3
EP4593384A3 EP25182597.2A EP25182597A EP4593384A3 EP 4593384 A3 EP4593384 A3 EP 4593384A3 EP 25182597 A EP25182597 A EP 25182597A EP 4593384 A3 EP4593384 A3 EP 4593384A3
Authority
EP
European Patent Office
Prior art keywords
decoding method
image encoding
loop filter
based image
boundary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP25182597.2A
Other languages
English (en)
French (fr)
Other versions
EP4593384A2 (de
Inventor
Ki Baek Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
B1 Institute of Image Technology Inc
Original Assignee
B1 Institute of Image Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by B1 Institute of Image Technology Inc filed Critical B1 Institute of Image Technology Inc
Priority claimed from PCT/KR2020/012252 external-priority patent/WO2021054677A1/ko
Publication of EP4593384A2 publication Critical patent/EP4593384A2/de
Publication of EP4593384A3 publication Critical patent/EP4593384A3/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP25182597.2A 2019-09-18 2020-09-10 Filterbasiertes in-loop-bildcodierungs-/-decodierungsverfahren und -vorrichtung Pending EP4593384A3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20190115073 2019-09-18
PCT/KR2020/012252 WO2021054677A1 (ko) 2019-09-18 2020-09-10 인-루프 필터 기반의 영상 부호화/복호화 방법 및 장치
EP20866151.2A EP4033767A4 (de) 2019-09-18 2020-09-10 Verfahren und vorrichtung zur bildcodierung/-decodierung auf in-loop-filterbasis

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP20866151.2A Division EP4033767A4 (de) 2019-09-18 2020-09-10 Verfahren und vorrichtung zur bildcodierung/-decodierung auf in-loop-filterbasis

Publications (2)

Publication Number Publication Date
EP4593384A2 EP4593384A2 (de) 2025-07-30
EP4593384A3 true EP4593384A3 (de) 2025-10-22

Family

ID=74869978

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20866151.2A Pending EP4033767A4 (de) 2019-09-18 2020-09-10 Verfahren und vorrichtung zur bildcodierung/-decodierung auf in-loop-filterbasis
EP25182597.2A Pending EP4593384A3 (de) 2019-09-18 2020-09-10 Filterbasiertes in-loop-bildcodierungs-/-decodierungsverfahren und -vorrichtung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20866151.2A Pending EP4033767A4 (de) 2019-09-18 2020-09-10 Verfahren und vorrichtung zur bildcodierung/-decodierung auf in-loop-filterbasis

Country Status (8)

Country Link
US (5) US11039134B2 (de)
EP (2) EP4033767A4 (de)
KR (1) KR20220061207A (de)
CN (4) CN114424576A (de)
AU (1) AU2020351524A1 (de)
CA (1) CA3151453A1 (de)
PH (1) PH12022550699A1 (de)
ZA (3) ZA202204156B (de)

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CN119922323A (zh) * 2019-09-20 2025-05-02 韩国电子通信研究院 图像编码/解码方法以及发送流的方法
CN120499390A (zh) * 2019-09-27 2025-08-15 松下电器（美国）知识产权公司 编码装置、解码装置、编码方法、解码方法和存储介质
CN117478917A (zh) * 2019-10-07 2024-01-30 Lg电子株式会社 图像解码和编码方法及发送比特流的方法
US20250227236A1 (en) * 2022-04-07 2025-07-10 Lg Electronics Inc. Adaptive slice scan method-based image encoding/decoding method and apparatus, and recording medium for storing bitstream

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BRPI0911061A2 (pt) * 2008-04-11 2015-12-29 Thomson Licensing filtragem de desblocagem para predição intra deslocada e correspondência de modelos
KR101750046B1 (ko) 2010-04-05 2017-06-22 삼성전자주식회사 트리 구조에 따른 부호화 단위에 기반한 인루프 필터링을 수반하는 비디오 부호화 방법과 그 장치 및 복호화 방법과 그 장치
KR101604031B1 (ko) * 2010-04-13 2016-03-16 삼성전자주식회사 트리 구조에 따른 부호화 단위에 기초한 비디오 부호화 방법과 그 장치, 및 비디오 복호화 방법 및 그 장치
KR20110123651A (ko) 2010-05-07 2011-11-15 한국전자통신연구원 생략 부호화를 이용한 영상 부호화 및 복호화 장치 및 그 방법
EP2693750A4 (de) * 2011-03-30 2016-09-28 Lg Electronics Inc In-loop-filterverfahren und vorrichtung dafür
KR20130034566A (ko) 2011-09-28 2013-04-05 한국전자통신연구원 제한된 오프셋 보상 및 루프 필터를 기반으로 하는 영상 부호화 및 복호화 방법 및 그 장치
CN110536136B (zh) 2012-06-29 2022-08-05 Ge视频压缩有限责任公司 视频数据流、编码器、编码视频内容的方法以及解码器
CN103220529B (zh) * 2013-04-15 2016-02-24 北京大学 一种视频编解码环路滤波的实现方法
CN105678721A (zh) 2014-11-20 2016-06-15 深圳英飞拓科技股份有限公司 一种全景拼接图像接缝处平滑的方法及装置
KR101809630B1 (ko) * 2015-06-11 2017-12-15 인텔렉추얼디스커버리 주식회사 적응적인 디블록킹 필터링에 관한 부호화/복호화 방법 및 장치
CN119364025A (zh) * 2015-06-11 2025-01-24 杜比实验室特许公司 使用自适应去块滤波编码和解码图像的方法及介质
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ABE (PANASONIC) K ET AL: "AHG12: Loop filter control flag for tile boundary", no. m50216, 24 September 2019 (2019-09-24), XP030206197, Retrieved from the Internet <URL:http://phenix.int-evry.fr/mpeg/doc_end_user/documents/128_Geneva/wg11/m50216-JVET-P0252-v1-JVET-P0252-v1.zip JVET-P0252-v1/JVET-P0252-v1.docx> [retrieved on 20190924] *
BROSS B ET AL: "Versatile Video Coding (Draft 6)", no. JVET-O2001-vE; JVET-O2001, 31 July 2019 (2019-07-31), pages 1 - 455, XP030293944, Retrieved from the Internet <URL:https://jvet-experts.org/doc_end_user/documents/15_Gothenburg/wg11/JVET-O2001-v14.zip JVET-O2001-vE.docx> [retrieved on 20190731] *

Also Published As

Publication number Publication date
EP4593384A2 (de) 2025-07-30
EP4033767A4 (de) 2023-10-25
US20240098262A1 (en) 2024-03-21
US20210250582A1 (en) 2021-08-12
ZA202310884B (en) 2025-07-30
CN118694975A (zh) 2024-09-24
US20250106395A1 (en) 2025-03-27
US20220248008A1 (en) 2022-08-04
AU2020351524A1 (en) 2022-05-12
US11343496B2 (en) 2022-05-24
US11039134B2 (en) 2021-06-15
CN118694976A (zh) 2024-09-24
PH12022550699A1 (en) 2023-04-03
CN118694977A (zh) 2024-09-24
ZA202204156B (en) 2025-01-29
US11876961B2 (en) 2024-01-16
KR20220061207A (ko) 2022-05-12
ZA202310885B (en) 2025-04-30
US20210084296A1 (en) 2021-03-18
US12206847B2 (en) 2025-01-21
EP4033767A1 (de) 2022-07-27
CN114424576A (zh) 2022-04-29
CA3151453A1 (en) 2021-03-25

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